AR-15 .300 AAC Blackout Upper Kit with 16 Barrel and 15 Free Float Super Slim Keymod Handguard Rail

This is an unassembled kit for building a functioning AR-15 pistol with a .300 AAC Blackout barrel. The kit does not include lower receiver, bolt carrier group or charging handle.

Specifications

• Upper receiver - US made
• Ejection port/dust cover assembly
• Forward assist assembly
• 16" .300 Blackout Barrel - US made
• Carbine length gas tube - US made
• Low profile gas block (tool and set screws included)
• Muzzle brake (birdcage design) with crush washer
• 15" super slim quad rail
• Steel barrel nut included but not shown